Design and Synthesis of Near-infrared-active Heptamethine-Cyanine Dyes to Suppress Aggregation in a Dye-sensitized Porous Zinc Oxide Solar Cell

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著者

    • FUNABIKI Kazumasa
    • Department of Materials Science and Technology, Faculty of Engineering, Gifu University
    • SUGIYAMA Naoyuki
    • Department of Materials Science and Technology, Faculty of Engineering, Gifu University
    • MASE Hiroyoshi
    • Department of Materials Science and Technology, Faculty of Engineering, Gifu University
    • MINOURA Hideki
    • Environmental and Renewable Energy System Division, Graduate School of Engineering, Gifu University
    • MATSUI Masaki
    • Department of Materials Science and Technology, Faculty of Engineering, Gifu University

抄録

New heptamethine–cyanine dyes were synthesized and used for dye-sensitization of porous zinc oxide cells in the near-infrared region (800 nm). The introduction of alkyl groups into the cyclohexene and indolenium moieties remarkably prevented H-aggregation of the dyes. Consequently, the photovoltaic performance of the dye-sensitized zinc oxide cells with DCA was improved; a solar-to-electricity conversion efficiency (η) of 0.67%, a short-circuit current density of 2.22 mA cm<SUP>−2</SUP>, an open-circuit photovoltage of 0.46 V, and a fill factor of 0.66 under standard AM 1.5 irradiation (100 mW cm<SUP>−2</SUP>).

収録刊行物

  • Chemistry letters

    Chemistry letters 37(2), 176-177, 2008-02-05

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021077485
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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